My .02. If you don't want to do repairs to a motor with worn rings,
don't. I didn't. It'll still run fine for another 10,000 or 20,000 miles.
Those Triumph engines are tough. And you're not making things any
worse when rebuild time does come around.
I wouldn't use any additives. I would use 20W-50 at least, not 10W-40
(btw you shouldn't use 10W-40 for ANY car since it contains too much
viscocity stretchers and not enough lubricants). I used to add straight
70W every 3rd or 4th top off myself.
Now, this is my personal bias speaking, but if I had an engine that was
worn, I would probably change the thrust washers because they CAN
fail with catastrophic results.
YMMV
Greg Rowe
78 Spitfire
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